| 1 | /* |
| 2 | * Copyright (c) 2013 Kevin Wolf <kwolf@redhat.com> |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 5 | * of this software and associated documentation files (the "Software"), to deal |
| 6 | * in the Software without restriction, including without limitation the rights |
| 7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 8 | * copies of the Software, and to permit persons to whom the Software is |
| 9 | * furnished to do so, subject to the following conditions: |
| 10 | * |
| 11 | * The above copyright notice and this permission notice shall be included in |
| 12 | * all copies or substantial portions of the Software. |
| 13 | * |
| 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 17 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 20 | * THE SOFTWARE. |
| 21 | */ |
| 22 | |
| 23 | #include "libc.h" |
| 24 | #include "multiboot.h" |
| 25 | |
| 26 | int test_main(uint32_t magic, struct mb_info *mbi) |
| 27 | { |
| 28 | uintptr_t entry_addr; |
| 29 | struct mb_mmap_entry *entry; |
| 30 | |
| 31 | (void) magic; |
| 32 | |
| 33 | printf("Lower memory: %dk\n", mbi->mem_lower); |
| 34 | printf("Upper memory: %dk\n", mbi->mem_upper); |
| 35 | |
| 36 | printf("\ne820 memory map:\n"); |
| 37 | |
| 38 | for (entry_addr = mbi->mmap_addr; |
| 39 | entry_addr < mbi->mmap_addr + mbi->mmap_length; |
| 40 | entry_addr += entry->size + 4) |
| 41 | { |
| 42 | entry = (struct mb_mmap_entry*) entry_addr; |
| 43 | |
| 44 | printf("%#llx - %#llx: type %d [entry size: %d]\n", |
| 45 | entry->base_addr, |
| 46 | entry->base_addr + entry->length, |
| 47 | entry->type, |
| 48 | entry->size); |
| 49 | } |
| 50 | |
| 51 | printf("\nmmap start: %#x\n", mbi->mmap_addr); |
| 52 | printf("mmap end: %#x\n", mbi->mmap_addr + mbi->mmap_length); |
| 53 | printf("real mmap end: %#x\n", entry_addr); |
| 54 | |
| 55 | return 0; |
| 56 | } |